Recent questions in Chemistry

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to eight significant figures, avogadro's constant is 6.0221367×1023mol−1 . which of the following choices demonstrates correct rounding?

Jasonnoahchoi asked Oct 5, 2024

by Jasonnoahchoi

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1 answer

5 votes

75.3k views

Which four areas does hurricanes happen in the ocean

Pceccon asked Oct 5, 2024

by Pceccon

8.3k points

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4 votes

233k views

Need help Which of the following energy conversions takes place in plants during photosynthesis? (5 points) a Chemical energy to light energy b Light energy to electrical energy c Electrical energy to

Sakura Kinomoto asked Oct 5, 2024

by Sakura Kinomoto

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2 answers

5 votes

223k views

Briefly explain the difference between selfdiffusion and interdiffusion

Zentopia asked Oct 5, 2024

by Zentopia

7.5k points

1 answer

4 votes

2.4k views

Which of these is an electron carrier molecule? A. NAD+ B. ATP C. Adenylate kinase D. Carbonic acid

Carol asked Oct 5, 2024

by Carol

7.4k points

1 answer

4 votes

220k views

Ocean waves are______waves

Nicholas Ng asked Oct 5, 2024

by Nicholas Ng

7.9k points

1 answer

5 votes

67.0k views

Please hurryyyy 100 points

Dlamblin asked Oct 5, 2024

by Dlamblin

8.2k points

1 answer

4 votes

92.9k views

Lightweight alkali metal that makes good batteries.

Pfinferno asked Oct 5, 2024

by Pfinferno

7.7k points

1 answer

0 votes

104k views

Can you pls help with q1 and q3

Guillaume Chevalier asked Oct 5, 2024

by Guillaume Chevalier

7.9k points

1 answer

0 votes

132k views

What type(s) of emitters are stopped by 0.5 cm of lead. Similar to the apron used in the dentist office. A. Alpha B. Beta C. Gamma D. Free radicals

Ramalingam Perumal asked Oct 5, 2024

by Ramalingam Perumal

7.5k points

1 answer

5 votes

159k views

What is the pH of a 10.8 M NaOH? a. Need the Kb to solve this problem and you did not provide one. b. Need the Ka to solve this problem and you did not provide one. c. 1.03 d. 15.03 e. 12.97

Seyed Mohammad asked Oct 5, 2024

by Seyed Mohammad

8.6k points

1 answer

3 votes

71.4k views

The equation for the reaction between Al(s) and Pb+2(aq) is: 2Al(s) + 3Pb+2(aq) 2Al+3(aq) + 3Pb(s) You know that 0.011 moles of Al(s) have been consumed and that 0.017 moles of Pb(s) have been formed.

Procatmer asked Oct 5, 2024

by Procatmer

7.9k points

1 answer

1 vote

159k views

What is the meaning of friction

Danijoo asked Oct 5, 2024

by Danijoo

9.3k points

2 answers

5 votes

52.3k views

Which of the following statements is best supported by the diagram of the phosphorus cycle? a. Phosphorus primarily cycles through water bodies and the atmosphere. b. Phosphorus moves through the environment

Dqureshiumar asked Oct 5, 2024

by Dqureshiumar

8.8k points

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78.7k views

In your body ____ group of answer choices a. there are more protons than electrons. b. there are more protons than neutrons. c. there are about the same number of protons and neutrons. d. there are more

Chris Andersson asked Oct 5, 2024

by Chris Andersson

7.9k points

1 answer

2 votes

181k views

A sample of unknown gas weighs 2.25 g and occupies 850 mL at 790 mmHg and 70 ∘C . Part A What is the molar mass of the unknown gas?

Richard Lindhout asked Oct 5, 2024

by Richard Lindhout

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1 answer

4 votes

30.2k views

Can anyone explain "b," please? What does it mean by the correct mole ratio? Does the ratio of reactant to product always have to be 2:1 in this equation?

Olivier asked Oct 5, 2024

by Olivier

9.2k points

1 answer

1 vote

114k views

A reaction that combines simpler reactants to form a new compound is called a: A. Concentration reaction B. Decomposition reaction C. Combustion reaction D. Synthesis reaction

Leonhart asked Oct 5, 2024

by Leonhart

8.5k points

1 answer

0 votes

46.0k views

Hydrocyanic acid (AC) and Cyanogen Chloride (CK) are commonly referred as ___.

Arpit asked Oct 5, 2024

by Arpit

8.7k points

1 answer

3 votes

7.3k views

What will be the sign on ΔS for the following reaction, and why? 2 Mg (s) + O₂ (g) → 2 MgO (s) a. Positive, because entropy increases in the formation of MgO. b. Negative, because entropy decreases in

Jason John asked Oct 5, 2024

by Jason John

8.3k points

1 answer

5 votes

132k views

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